<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Untitled Document</title>
<script>
window.onload=function()
{
		var oUl = document.getElementById('ul1');
	
		alert(oUl.parentNode);
};
</script>
</head>

<body>
<ul id="ul1">
	<li>
		<span>test</span>
	</li>
	<li></li>
</ul>
</body>
</html>
